Damper actuators Damper actuator (pneumatic) Type
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![Siemens 331-4811 Damper Actuator, Pneu No 3, 2-3/8" Stroke, 8-13psi, Integral Pivot, Pivot Post | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-4811_medium.jpg?v=1720094535)
331-4811 | Damper Actuator, Pneu No 3, 2-3 / 8" Stroke, 8-13psi, Integral Pivot, Pivot Post | Siemens
Brand: Siemens
SKU: 331-4811
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![Siemens 331-4512 Damper Actuator, Pneu, Number 3, 2-3/8" Stroke, 5-10psi, Integral Pivot Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-4512_medium.jpg?v=1720022357)
331-4512 | Damper Actuator, Pneu, Number 3, 2-3 / 8" Stroke, 5-10psi, Integral Pivot Mount | Siemens
Brand: Siemens
SKU: 331-4512
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![Siemens 331-4514 Damper Actuator, Pneu, No 3, 2-3/8" Stroke, 5-10 psi, Fixed Brkt Mtg, Clevis | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_008584b4-4f12-4c24-b4e9-a273ddeedc91_medium.png?v=1720022347)
331-4514 | Damper Actuator, Pneu, No 3, 2-3 / 8" Stroke, 5-10 psi, Fixed Brkt Mtg, Clevis | Siemens
Brand: Siemens
SKU: 331-4514
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![Siemens 331-3070 Damper Actuator, Pneumatic, Number 6, 4" Stroke, 8 to 13 psig, Tandem Mounting | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_12e59be3-dc66-44da-a5d0-5e3dec11a5d1_medium.png?v=1720022338)
331-3070 | Damper Actuator, Pneumatic, Number 6, 4" Stroke, 8 to 13 psig, Tandem Mounting | Siemens
Brand: Siemens
SKU: 331-3070
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![Siemens 331-4513 Damper Actuator, Pneu, Number 3, 2-3/8" Stroke, 5-10 psi, Fixed Bracket Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-4513_medium.jpg?v=1720022342)
331-4513 | Damper Actuator, Pneu, Number 3, 2-3 / 8" Stroke, 5-10 psi, Fixed Bracket Mount | Siemens
Brand: Siemens
SKU: 331-4513
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![Siemens 331-4824 NO.3PNEU ACT 8-13,2 3/4",RUSKIN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-4824_medium.jpg?v=1720022328)
331-4824 | NO.3PNEU ACT 8-13, 2 3 / 4", RUSKIN | Siemens
Brand: Siemens
SKU: 331-4824
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![Siemens 331-2917 Damper Actuator, Pneu No 4, 4" Stroke, 5-10psi, Front Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_1d76d4a0-54b1-4238-9583-f643e30340a2_medium.png?v=1720022323)
331-2917 | Damper Actuator, Pneu No 4, 4" Stroke, 5-10psi, Front Mount | Siemens
Brand: Siemens
SKU: 331-2917
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![Siemens 331-4310 Damper Actuator, Pneumatic, Number 3, 2-3/8" Stroke, 3-7 psi, Front Mounting | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-4310_medium.jpg?v=1720022320)
331-4310 | Damper Actuator, Pneumatic, Number 3, 2-3 / 8" Stroke, 3-7 psi, Front Mounting | Siemens
Brand: Siemens
SKU: 331-4310
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![Siemens 331-3017 Damper Actuator, Pneu No 4, 4" Stroke, 8-13psi, Fix Mt Plate, Ball Joint Cnctr | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-3017_medium.jpg?v=1720022314)
331-3017 | Damper Actuator, Pneu No 4, 4" Stroke, 8-13psi, Fix Mt Plate, Ball Joint Cnctr | Siemens
Brand: Siemens
SKU: 331-3017
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